Every time you step on the $130 Aria, it shuttles data off to your Fitbit account online. We especially like being able to view the Fitbit.com graphs in the Web browser to identify long-term trends (such our annual backslide between Thanksgiving and New Year's). The Aria shares information with the site using your home’s Wi-Fi network, comes in white or black, and recognizes eight different people (important, since the formulas for calculating fat vary according to age and sex).
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